The weekend we've all been waiting for is finally upon us. Memorial Day Weekend marks the start of summer, and for New Yorkers that means Hamptons season has officially begun. From Southampton Social Club to Finale East, these summer kickoff parties are a good sign of what the rest of the season has in store for us. Click through for our official Memorial Day Weekend Hamptons Party Guide, and make sure to look out for us while you're out east this summer! [Photos via, via, via, via]